Guarantees and Indemnifications (Tables)

6 Months Ended

Jun. 30, 2014

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Guarantee Obligations Text Block

		Maximum Exposure
Subsidiary	Description	(in millions)		Expiration Dates
Various	Surety Bonds	$	67.0	2014 - 2016 (1)
Various	New England Hydro Companies' Long-Term Debt	$	2.5	Unspecified
NUSCO and RRR	Lease Payments for Vehicles and Real Estate	$	16.0	2019 and 2024